KIEV, UKRAINE - DECEMBER 05: Police officers clash with supporters of former Georgian President attempting to block a police van in which Mikheil Saakashvili is transported after being arrested, in downtown Kiev, Ukraine on December 5, 2017. Ukrainian security services on Tuesday arrested former Georgian president Mikheil Saakashvili after he climbed onto the roof of his apartment building and addressed supporters during a police raid. Vladimir Shtanko / Anadolu Agency